On Sun, 28 Jan 2007, Patrick Useldinger wrote: > I am currently experimenting with ccd(4) and although it appears to work, I am > uncomfortable with one point. > > I have configured 2 partitions as a JBOD (interleave 0). However, the first of > these partitions is partition 'a' of one disk. So the first effect I had was > that ccd0 appeared to have the same disklabel as the first disk. > > I read through the mailing list archives and found a thread explaining that > the disklabel is stored around the beginning of partition 'a' and that one > should allocate a small partition 'a' which should not be made part of the > JBOD.
I think you misread. It's enough to make sure the a partitions starts after the first track. Just run fdisk -i on a new (ccd) disk. It takes care of that. > > What I am uncomfortable with is that > > 1) this does not appear to be documented in the man pages anywhere http://www.openbsd.org/faq/faq14.html#disklabel True, the FAQ is not 'offcial documentation'.... > > 2) that the size and position of the disklabel of partition 'a' is not clearly > stated anywhere so that I can be certain that it doesn't get overwritten and > that I am not wasting too much space. See above. > > Can anybody please shed some light on this? -Otto
